/Engine/Source/Runtime/LevelSequence/Public/ILevelSequenceModule.h
typedef TMulticastDelegate_ThreeParams< void, const [AActor](API\Runtime\Engine\GameFramework\AActor) &, const [FGuid](API\Runtime\Core\Misc\FGuid) &, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ISequencer](API\Editor\Sequencer\ISequencer) > > FOnNewActorTrackAdded